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Inicio  Equipment  Synth modules
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Synth modules

The Eurorack modular synth format is one of the most exciting areas of music technology. Pioneered by Doepfer, there are now hundreds of brands offering compatible modules of all varieties. You can combine your choice of the best oscillators, filters and much more in order to create a unique, bespoke synth setup which perfectly suits your needs. Eurorack modules offer the biggest range of options you can imagine, from basic analogue modules which replicate the sound of classic vintage synths, through to digital modules which allow you to explore completely new approaches to making music. Whether you’re a beginner or a more experienced modular head, you can take your pick of the best modules from leading brands including Mutable Instruments and ALM Busy Circuits. Our range also includes accessories, cases, patch cables and much more, allowing you to build and customise your perfect modular synth setup.
Synth modules
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Feedback CP3+ Mixer Module
Feedback CP3+ Mixer Module (mixer synth module)
Cat: 923509 Rel: 04 Apr 23
 
Mixer module - 10HP.
Notes: The CP3PLUS is an accurate recreation in Eurorack format of one of the most appreciated vintage modular audio mixers. The specific distortion makes it not only a great summing unit but also a great sound design tool. The included MULTI is a welcome bonus.

Tech specs:

-width 10HP
-22mm depth behind the panel, including the power connector
-4 mono analog input
-4 input level pots
-1 dual level pot
-one inverting and one non-inverting output jacks
-one 4 jack passive multiple
-standard 10 pin euro power (+12V / -12V)
-power consumption +12V 23mA -12V 25mA
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 1 in stock $69.53
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quote 923509
Feedback ENV-100 Envelope Generator Module
Feedback ENV-100 Envelope Generator Module (envelope generator synth module)
Cat: 923563 Rel: 04 Apr 23
 
Envelope generator module - 6HP.
Notes: This is probably the fastest envelope generator in Modularland.

Why? Because it is based on the fastest one. The classic Japanese modular from the seventies everyone loves.

Tech specs:

- Panel width 6HP
- 35mm depth behind the panel, including the power connector
- 4 control pots : Attack, Decay, Sustain, Release
- 1 gate switch : triggers ADSR cycle
- 1 time switch : switches between fast and slow envelope times
- One normal and one inverting output jack 8V peak
- Standard 10 pin euro power +12V/-12V
- Power consumption +12V 20mA , -12V 15mA
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 1 in stock $70.05
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quote 923563
Feedback ENV-310 Envelope Generator Module
Feedback ENV-310 Envelope Generator Module (envelope generator synth module)
Cat: 923564 Rel: 04 Apr 23
 
Envelope generator module - 6HP.
Notes: This is an envelope generator based on the SMD AS3310.

The AS3310 is a modern recreation of the classic Curtis CEM3310 chip, used in many famous mono and poly analogue synth from the eighties.

Feedback took the best ideas from all the classic 3310 circuits and tried to squeeze the maximum from this fantastic chip.

Tech Specs :

- Panel width 6HP
- 35mm depth behind the panel, including the power connector
- 4 control pots : Attack, Decay, Sustain, Release
- 1 gate switch : triggers ADSR cycle
- 1 mode switch : Normal (ADSR), Damp (ADRR), Auto (ASR)
- 1 re trigger input
- One normal and one inverting output jack 10V peak
- Standard 10 pin euro power +12V/-12V
- Power consumption +12V 55mA , -12V 16mA

Attack Time 2.5ms-1.5s
Decay Time 6ms-4s
Sustain Level 0-10V
Release Time 6ms-4s
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 1 in stock $70.05
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quote 923564
Feedback ENVF Envelope Follower Module
Feedback ENVF Envelope Follower Module (CV modulation/envelope follower/envelope generator/utility synth module)
Cat: 972036 Rel: 27 Oct 23
 
Envelope follower module - 4HP.
Notes: This is an envelope follower based on a classic module from the seventies but with some improvements to suit modern needs.

The IN signal is bifurcated to the envelope follower circuit and also to a THRU output, so the original signal is also available for external processing.

The envelope follower has three controls, a switch to select response time (fast, medium, slow), a pot to adjust GATE threshold and a pot to adjust the envelope CV level.

This little module will help you shape the timbre and/or the level envelopes of your sounds. From dynamic envelope filtering to compressor like side chaining there are lots of possibilities to mangle your audio.

Tech specs:

- 4HP width
- 35mm depth behind front panel including the power connector
- standard 10 pin euro power +12V / -12V
- power consumption +12V 18mA , -12V 16mA
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 1 in stock $75.25
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quote 972036
Feedback LFO-10 Low Frequency Oscillator Module
Cat: 923565 Rel: 04 Apr 23
 
Low frequency oscillator module - 4HP.
Notes: This little module is an evolution of the LFO of the famous MS monophonic synth from the seventies, adapted to eurorack format.

Tech specs:

4HP width
35mm depth behind front panel including the power connector
2X control pots for FREQUENCY and WAVEFORM

1X FREQUENCY RANGE switch: LOW and HIGH
LOW - 18mHz (55sec) - 0,7Hz (1.4sec)
HIGH - 0,63Hz (1.6sec) - 24Hz (42msec)

2X outputs : SQUARE 0/10V Vpp and TRIANGLE -5V/5V Vpp
standard 10 pin euro power +12V / -12V
power consumption +12V 20mA , -12V 15mA
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Tags: LFO module
 1 in stock $58.63
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quote 923565
Feedback PhoneZ Headphone Amplifier Module
Feedback PhoneZ Headphone Amplifier Module (dual/stereo/external/utility synth module)
Cat: 923578 Rel: 04 Apr 23
 
Headphone amplifier module - 6HP.
Notes: A premium headphone amp module capable to drive low and high impedance phones to high enough SPL, with good dynamic range and very low distortion.

Tech specs:

- Panel width 6HP
- 35mm depth behind the panel, including the power connector
- 1 control pot : Phones Level
- 1 mode switch : Switch from stereo to mono for both channels
- 2 input jacks
- 1 stereo output jack
- standard 10 pin euro power +12V/-12V
- power consumption +12V 100mA , -12V 50mA
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$86.41 SAVE 20%
 1 in stock $69.12
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quote 923578
Feedback Squeeze 2 Compressor Module
Feedback Squeeze 2 Compressor Module (dynamics/effect synth module)
Cat: 923611 Rel: 04 Apr 23
 
Compressor module - 4HP.
Notes: SQUEEZE2 is the improved variant of SQUEEZE:

- SMD transistors are changed to matched through hole ones
- all capacitors are now through hole Panasonic LowESR
- added trimming circuit to adjust 0 gain for the center of make-up gain pot so the SQZ will have 0 amplification on middle adjustments

4HP Compressor designed for continuous adjustment of gain, threshold and compression ratio with a single potentiometer.

There is also a knob for input level and a knob for make-up gain.

The module is based on high-performance THAT4305 Blackmerr VCA chip.

Tech specs:

-width 4HP
-35mm depth behind the panel, including the power connector
-1 audio input : IN
-1 audio level pot : INPUT
-2 control pots : LESS/MORE (compression), MAKE-UP Gain
-1 output : OUT
-standard 10 pin euro power +12V / -12V
-power consumption +12V 25mA -12V 25mA
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 1 in stock $87.44
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quote 923611
Feedback Static Noise Generator Module
Feedback Static Noise Generator Module (noise/random synth module)
Cat: 923610 Rel: 04 Apr 23
 
Noise generator module - 10HP.
Notes: The STATIC module is a comprehensive collection of noise sources generated with different methods.

Tech specs:

-width 10HP
-38mm depth behind the panel, including the power connector
-2 control pots : MORPH, SPECTRUM
-1 switch : spectrum type TR/CHIP
-8 outputs : MSWHITE, MSPINK, ZNWHITE, ZNPINK,
DARK, MORPH, TROUT, RNDVOLT
-standard 10 pin euro power +12V / -12V
-power consumption +12V 35mA , -12V 30mA
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 1 in stock $81.74
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quote 923610
Feedback SUB Complex Suboctaver Module
Feedback SUB Complex Suboctaver Module (oscillator/utility module)
Cat: 972045 Rel: 27 Oct 23
 
Complex suboctaver module - 4HP.
Notes: As the name suggests this module can produce sub frequencies of -1 and -2 octaves relative to the square wave signal provided at the input jack.

But this is not just a simple SUB generator. It also has a little mixer that will let you add different levels of -1 and -2 octave signals to the original square wave. You can select the -2 octave signal to be a square wave or a pulse wave.

The module has individual outputs for the mixed signal, the -1 octave and the -2 octave.

This little modules can produce enough timbral variation to make you bass sound exciting.

Tech specs:

- 4HP width
- 35mm depth behind front panel including the power connector
- standard 10 pin euro power +12V / -12V
- power consumption +12V 12mA , -12V 9mA
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 1 in stock $75.76
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quote 972045
Feedback VCA2600 Voltage Controlled Amplifier Module
Cat: 923612 Rel: 04 Apr 23
 
Voltage controlled amplifier module - 4HP.
Notes: VCA2600 needs no introduction. The best sounding VCA in 4HP with matched and thermo coupled transistors.

Tech specs:

-width 4HP
-35mm depth behind the panel, including the power connector
-standard 10 pin euro power +12V / -12V
-power consumption +12V 25mA -12V 25mA
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Tags: VCA module
 1 in stock $87.70
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quote 923612
Happy Nerding 2x SAM Dual Stereo Attenuator-Mixer Module (black)
Cat: 777908 Rel: 22 Jul 20
 
Dual stereo attenuator-mixer module - 4HP
Notes: 2xSAM is 4 HP Dual Stereo Attenuator-Mixer

Several 2xSAMs can be chained together or with other HN stereo modules via sockets on the back side.

2xSAM's total mix stereo output can be internally sent to the Isolator, PanMix Jr, 3xStereo Mixer, or can be received from OUT, PanMix, PanMix Jr, 3xStereo Mixer, or another 2xSAM.

If jumpers are not installed (placed on one pin only by default) the max gain is 1x. When the jumper is properly placed on both pins - the gain is 5x. There are four inputs thus four jumpers. Each jumper is relevant to its channel.

27 mA +12V
27 mA - 12V
35 mm Depth
4 HP wide
Read more
MRP:$88.22 SAVE 11%
 3 in stock $78.10
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quote 777908
Happy Nerding 3x MIA 1U 6-Channel Attenuverting Mixer/Offset/Scale/Polarizer Module (black)
Cat: 1000444 Rel: 12 Feb 24
 
6-channel attenuverting mixer, offset, scale & polarizer module - 24HP
Notes: 3xMIA is a 6-channel attenuverting mixer/offset/scale/polarizer

3 blocks of 2-channel attenuverting mixers, using dual concentric pots. Each channel can be switched to mix with the subsequent channel, allowing for 2-2-2, 4-2, 6 mix configurations.

With nothing plugged into an input, an offset is normalled to that channel. The inner knobs control the A inputs, while the outer knobs control the B inputs.

DC coupled, so it can be used for audio, CV, or both at the same time.

80 mA +12V
80 mA -12V
35 mm Depth
24HP wide
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 1 in stock $94.70
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quote 1000444
Happy Nerding 3x MIA 6-Channel Attenuverting Mixer/Offset/Scale/Polariser Module (black)
Cat: 777911 Rel: 22 Jul 20
 
6-channel attenuverting mixer, offset, scale & polarizer module - 6HP
Notes: 3xMIA is a 6-channel attenuverting mixer/offset/scale/polarizer.

3 blocks of 2-channel attenuverting mixers, using dual concentric pots. Each channel can be switched to mix with the subsequent channel, allowing for 2-2-2, 4-2, 6 mix configurations.

With nothing plugged into an input, an offset is normalled to that channel. The inner knobs control the A inputs, while the outer knobs control the B inputs.

DC coupled, so it can be used for audio, CV, or both at the same time.

80 mA +12V
80 mA -12V
35 mm Depth
6 HP wide
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 1 in stock $94.70
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quote 777911
Happy Nerding 3x MIA 6-Channel Attenuverting Mixer/Offset/Scale/Polarizer Module (silver)
Cat: 777880 Rel: 22 Jul 20
 
6-channel attenuverting mixer, offset, scale & polarizer module - 6HP
Notes: 3xMIA is a 6-channel attenuverting mixer/offset/scale/polarizer

3 blocks of 2-channel attenuverting mixers, using dual concentric pots. Each channel can be switched to mix with the subsequent channel, allowing for 2-2-2, 4-2, 6 mix configurations.

With nothing plugged into an input, an offset is normalled to that channel. The inner knobs control the A inputs, while the outer knobs control the B inputs.

DC coupled, so it can be used for audio, CV, or both at the same time.

80 mA +12V
80 mA -12V
35 mm Depth
6 HP wide
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 6 in stock $94.70
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quote 777880
Happy Nerding 6x MIX 6-Channel Audio Mixer Module (black)
Cat: 777917 Rel: 22 Jul 20
 
6-channel audio mixer module - 6HP
Notes: 6xMIX is a six channel audio (AC coupled ) mixer, channels arranged in three groups with separate outputs having led indicators. Each group can be switched to mix with the subsequent group, allowing for 2-2-2, 4-2, 6 mix configurations. The module can also be used to mix two stereo channels plus separate group of two mono channels. Perfect audio performance with the lowest noise and distortion amounts.

The inner knobs control the A inputs, while the outer knobs control the B inputs.

Dimensions
6 HP
35 mm deep

Current draw
50 mA +12V
50 mA -12V
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 1 in stock $94.70
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quote 777917
Happy Nerding 6x MIX 6-Channel Audio Mixer Module (silver)
Cat: 777890 Rel: 22 Jul 20
 
Audio mixer module
Notes: 6xMIX is a six channel audio (AC coupled ) mixer, channels arranged in three groups with separate outputs having led indicators. Each group can be switched to mix with the subsequent group, allowing for 2-2-2, 4-2, 6 mix configurations. The module can also be used to mix two stereo channels plus separate group of two mono channels. Perfect audio performance with the lowest noise and distortion amounts.

The inner knobs control the A inputs, while the outer knobs control the B inputs.

50 mA +12V
50 mA -12V
35 mm Depth
6 HP wide
Read more
 1 in stock $91.33
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quote 777890
Happy Nerding LED Meter Module (silver, green/yellow/red LEDs)
Cat: 944549 Rel: 18 May 23
 
A handy utility module designed to show audio levels in 4HP.
Notes: LED Meter is a handy utility module designed to show audio levels. Three color versions are available:

- green colour with yellow-red peak segments.
- all blue colour
- all yellow colour

There are total 30 led segments, each one roughly corresponds to 1 dB of level, so it is 30 dB of measurement level available with this module.
The module has an input for the signal to be displayed, and its buffered copy is sent to the output for further processing, so no external splitter is needed.
Two trimmers are accessible via holes on the front panel: left trimmer adjusts brightness and right trimmer is used for the level adjustment. So the module can represent full scale signals ranging from 1 V to 12 V.
There is operation mode jumper on the back side. When the jumper is installed - bipolar operation is active, and when the jumper is removed - ordinary audio meter is active.

Dimensions
4 HP
40 mm deep

Current Draw
150 mA +12V
20 mA -12V
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MRP:$102.75 SAVE 29%
 1 in stock $72.64
Happy Nerding PanMix Jr 3-Channel Mixer Module With Manual Panning & Volume Controls (black)
Cat: 960494 Rel: 04 Aug 23
 
3-channel mixer module with manual panning and volume controls - 6HP.
Notes: PanMix Jr is a high quality 3 channel mixer with manual panning and volume controls with dual concentric knobs. Each channel's output is separately available. Also channels 1 and 2 can be switched to be mixed with the subsequent channel, allowing for 1-1-1, 1-2, 3 mix configurations. Equal power pan law (3dB) is provided. Left and Right led indicators available for all three channels.

Several modules can be chained together via connections on the back side. This connection is possible with other Happy Nerding stereo modules too. At the moment PanMix Jr stereo output can be internally sent to another PanMix Jr, 3x Stereo Mixer and Isolator module. Or stereo signal can be received from another PanMix Jr, OUT, 3x Stereo Mixer, latest revision of PanMix.

55 mA +12V
55 mA - 12V
35 mm Depth
6 HP wide
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 1 in stock $95.22
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quote 960494
Happy Nerding PanMix Jr 3-Channel Mixer Module With Manual Panning & Volume Controls (silver)
Cat: 960498 Rel: 04 Aug 23
 
3-channel mixer module with manual panning and volume controls - 6HP.
Notes: PanMix Jr is a high quality 3 channel mixer with manual panning and volume controls with dual concentric knobs. Each channel's output is separately available. Also channels 1 and 2 can be switched to be mixed with the subsequent channel, allowing for 1-1-1, 1-2, 3 mix configurations. Equal power pan law (3dB) is provided. Left and Right led indicators available for all three channels.

Several modules can be chained together via connections on the back side. This connection is possible with other Happy Nerding stereo modules too. At the moment PanMix Jr stereo output can be internally sent to another PanMix Jr, 3x Stereo Mixer and Isolator module. Or stereo signal can be received from another PanMix Jr, OUT, 3x Stereo Mixer, latest revision of PanMix.

55 mA +12V
55 mA - 12V
35 mm Depth
6 HP wide
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 1 in stock $95.22
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quote 960498
Herzlich ABCD/OR Switched OR Logic Module
Cat: 958843 Rel: 31 Oct 23
 
Switched OR logic module - 2HP.
Notes: You've got triggers, gates, clocks and other such binary signals that you want to mix - but you'd much prefer if they did not interact and interrupt each other!

What you need is OR logic - and this passive OR logic in 2hp makes it easy to mix up to four signals in one, and even allows you to switch any off the signals on or off at will. Your trigger sequencing will become truly next level.

The ABCD/OR: It's the logical choice.
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 1 in stock $56.03
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quote 958843
Herzlich Apnea 3 Passive Performance Mute Module
Herzlich Apnea 3 Passive Performance Mute Module (controller/expression/utility synth module)
Cat: 958760 Rel: 30 Oct 23
 
Passive performance mute module - 2HP.
Notes: You want less sound, and you want it fast. You want a mute that doesn't take up any power, a mute that doesn't take up a lot of space, and a mute that accepts three signals. You want a mute that's nice and clicky, and a mute that doesn't cost an arm and a leg.

You've found it.

Dimensions
2 HP

Current Draw
Module does not draw current
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 1 in stock $58.12
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quote 958760
Herzlich Crossfade Micro Crossfader Module
Herzlich Crossfade Micro Crossfader Module (controller/expression/mixer/utility module)
Cat: 1003778 Rel: 06 Mar 24
 
Micro crossfader module - 2HP
Notes: Fade between two signals with the fader, just as nature intended

Do you have aspirations to smoothly fade between two signals? The Herzlich Crossfade lets you do exactly that, and exactly nothing else, using well-designed active circuitry and a smooth and performance friendly sliding potentiometer.

Whatever your aspirations are, this crossfader lets you live out your crossfading dreams in the simplest possible way, with not a fraction of an inch wasted on unnecessary features. Only delightful build quality and pleasantly smooth crossfading lies ahead for you.

Dimensions: 2 HP
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 1 in stock $69.53
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quote 1003778
Herzlich Lumen LED Voltage Visualiser Module
Cat: 1003784 Rel: 06 Mar 24
 
LED voltage visualiser module - 2HP
Notes: Two bipolar LEDs allow you to visualize your voltages as they swing between positive and negative, as well as their level of intensity, without affecting the signal you input.

Think of it as a 1D oscilloscope in just 2hp! An easy way to grasp what your patch is currently doing, without sacrificing the money or space on more fully-fledged solutions. Useful as part of a patch to keep track of your oscillations, as a troubleshooting device to quickly verify that something is doing what it should be doing, or simply as a healthy dose of blinkenlights in addition to your existing array of sparkling LED pleasures. Best of all? You get two in just 2hp - you'll have to spend some serious cash to get that kind of function-per-hp density anywhere else!

Dimensions: 2 HP
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 1 in stock $61.24
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quote 1003784
Herzlich Manual Gate Performance Gate Generator Module (latching switch)
Herzlich Manual Gate Performance Gate Generator Module (latching switch) (controller/function generator/switch/utility module)
Cat: 1003767 Rel: 07 Mar 24
 
Performance gate generator module with latching switch - 2HP
Notes: Bartender? The power of gate signals at the touch of a button, please - but make mine a narrow one!

You already know what this is: it's a gate signal generator, and it generates gate signals. That's all there is to it. You press the button, the LED indicator lights up, and you get a 5v gate signal! Brilliant!

You get three, in just 2hp! That's 1 1/2 gate signal generators per hp! That's more than [competing product] from [competing brand]! You knew you made a good decision when you decided to look at this product.

All that remains now is to open your heart, and your wallet. Buy this gate generator - this version is the latching model (stays on or off after pressing). In fact, it works really well with the Quad Gate to Trigger Converter, also from Herzlich Labs - now you can generate both gates and triggers with ease! And in such little hp!

Oh, one more thing? Your friends are going to be very envious of this, when you show it off. Gold plated nuts, gold plated front panel, tastefully matte indicator LEDs, pleasantly tactile buttons, black hardware. All the details have received the closest care and attention.

Dimensions: 2 HP
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 1 in stock $69.53
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quote 1003767
Herzlich Manual Gate Performance Gate Generator Module (momentary switch)
Herzlich Manual Gate Performance Gate Generator Module (momentary switch) (controller/function generator/switch/utility module)
Cat: 1003773 Rel: 07 Mar 24
 
Performance gate generator module with momentary switch- 2HP
Notes: Bartender? The power of gate signals at the touch of a button, please - but make mine a narrow one!

You already know what this is: it's a gate signal generator, and it generates gate signals. That's all there is to it. You press the button, the LED indicator lights up, and you get a 5v gate signal! Brilliant!

You get three, in just 2hp! That's 1 1/2 gate signal generators per hp! That's more than [competing product] from [competing brand]! You knew you made a good decision when you decided to look at this product.

All that remains now is to open your heart, and your wallet. Buy this gate generator - this is the momentary model (is normally off, and temporarily on when you press it). In fact, this also works really well with the Quad Gate to Trigger Converter, also from Herzlich Labs - now you can generate both gates and triggers with ease! And in such little hp!

Oh, one more thing? Your friends are going to be very envious of this, when you show it off. Gold plated nuts, gold plated front panel, tastefully matte indicator LEDs, pleasantly tactile buttons, black hardware. All the details have received the closest care and attention.

Dimensions: 2 HP
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 1 in stock $66.42
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quote 1003773
Herzlich Micro Mix Dual Passive Mixer Module
Cat: 958839 Rel: 31 Oct 23
 
Dual passive mixer module - 2HP.
Notes: Mix it up with the Micro Mix, a dual passive mixer in 2hp that functions as both a 3-to-1 and a 6-to-1 passive mixer, allowing you to perform acts of minor sorcery in your modular system (or maybe outside with your Volca and Pocket Operator jam?).

Nothing knobs or buttons here to confuse you, plug in either audio, CV, clock or triggers, and get the mixed signal out. The best part? Since it's passive, there's no guarantee what you put in is exactly what you'll get out. Embrace the unpredictable world of passive mixing like they did in the 60s and 70s.
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 1 in stock $56.30
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quote 958839
Herzlich MMI Helios Inversus Passive Gestural Controller Module (lefthand version)
Herzlich MMI Helios Inversus Passive Gestural Controller Module (lefthand version) (attenuator/controller/expression/mixer/multiple module)
Cat: 1003741 Rel: 06 Mar 24
 
Passive gesture, touch & pressure controller module - 8HP
Notes: Drawing inspiration from the MMI Maxima, the MMI Helios is intended as a middle ground between the gestural control surface of the Maxima and the fingertip control of the smaller MMI.

Less density, but a much higher degree of patch control is the key point of the Helios, which complements other MMI devices very well, and can be joined with other Helios (Helii?) to form larger and creative control surfaces.

The design is greatly simplified compared to the original MMI, with only two I/O jacks - either can function as input and output, and their interaction with each other is determined by touching both plates simultaneously to form a connection, or in cooperation with other MMI devices.

Available in a "right" and "left" version - one is an exact mirror image of the other, which makes it suitable for having two units adjacent to one another.

Dimensions: 8 HP

***Please note: the "righthand" version is not included, it is shown in the picture for demonstration purposes only. ***
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 1 in stock $55.00
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quote 1003741
Herzlich MMI Helios Rectus Passive Gestural Controller Module
Herzlich MMI Helios Rectus Passive Gestural Controller Module (attenuator/controller/expression module)
Cat: 958726 Rel: 30 Oct 23
 
Passive gesture, touch & pressure controller module - 8HP
Notes: Drawing inspiration from the MMI Maxima, the MMI Helios is intended as a middle ground between the gestural control surface of the Maxima and the fingertip control of the smaller MMI.

Less density, but a much higher degree of patch control is the key point of the Helios, which complements other MMI devices very well, and can be joined with other Helios (Helii?) to form larger and creative control surfaces.

The design is greatly simplified compared to the original MMI, with only two I/O jacks - either can function as input and output, and their interaction with each other is determined by touching both plates simultaneously to form a connection, or in cooperation with other MMI devices.

Available in a "right" and "left" version - one is an exact mirror image of the other, which makes it suitable for having two units adjacent to one another.

Dimensions
8 HP
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 2 in stock $56.03
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quote 958726
Herzlich MMI Matrix Pressure & Touch Sensitive Controller Module
Herzlich MMI Matrix Pressure & Touch Sensitive Controller Module (attenuator/controller/expression/multiple synth module)
Cat: 958732 Rel: 30 Oct 23
 
Pressure and touch sensitive controller module - 10HP.
Notes: The Herzlich Man Machine Interface - a beloved instrument, but what if there was even more of it? An MMI with more than one dimension? An MMI arranged in a manner of... matrix?

With operation identical to it's little brother, the MMI Matrix allows the user to patch inputs to outputs by connecting zig-zagged patterns together with fingers, fruits, cables, pizza slices or any other conductive source. The labyrinth patterns will immediately connect the zig-zags immediately adjacent, whether above and below, or on each side. Furthermore, the two labyrinths within labyrinths will connect ALL adjacent inputs and outputs, which may lead to beautiful disasters or otherworldly insights.

As with its predecessor, the MMI Matrix is fully touch and pressure sensitive, reacting to the amount of pressure exerted, the amount of skin connecting, and the resistive quality of your body. Incredibly easy to perform with, the MMI Matrix offers new and far more advanced ways to patch your performances, whether CV, triggers or audio signals. Create reverb swells that vary between different types of reverb, use multiple fingers and labyrinth patterns to mix trigger signals into complex polyrhythms or create beautiful chords by combining various pitch inputs with a chord oscillator. The MMI Matrix also integrates very well with it's little brother, so there is absolutely no need to hold back!

Oh, and as always, it uses NO power! But it will take up 10hp of space in your system. A fair deal!

Dimensions
10 HP
14 mm deep

Current Draw
Module does not draw current
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Herzlich Om Passive LPG Module With Resonant Filter
Herzlich Om Passive LPG Module With Resonant Filter (attenuator//filter/low pass gate synth module)
Cat: 958757 Rel: 30 Oct 23
 
Passive low pass gate module with resonant filter - 2HP.
Notes: The Om is a slim, passive 2hp LPG with characterful resonance. Taking notes from its bigger brother, the Omen, the Om offers similarly beautiful resonant LPG action in half the size and skiff-friendly depth.

In a convergence of old-school LPG design and more modern components, the Om boasts a single -6dB resonant filter, custom hand-built vactrol and no less than three cutoff modes designed to inspire your next sounds.

Although the little brother of the Omen, the Om brings a distinct sound to the table. Do not mistake the Om for an Omen sawn in half, as they will both provide musically interesting and useful sounds to your setup.

Exactly as with the Omen, care has been taken to create a circuit with near-zero audio bleed and the best possible characteristics for a passive LPG. Of course, many of the natural features of vactrols remain, such as subtle memory effect when engaging the vactrol for long periods.

Finally, you receive maximum blinkenlights as an LED on the front panel simulates the action of the vactrol, so you'll always know what's going on under the hood. No collection of fancy LPG's is complete without the Om(en)!
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Herzlich PHN Micro Phone Out Headphone Output Module
Herzlich PHN Micro Phone Out Headphone Output Module (attenuator/dual/stereo/external/peamp synth module)
Cat: 958816 Rel: 31 Oct 23
 
Headphone output and stereo headphone preamp module - 2HP.
Notes: You've been plugging, patching and sweeping for hours, when it hits you: you're not actually listening to what you're making. Up until this point, the sad reality of modular has been that your ears won't hear the sweet sounds of your music, unless you invest in a bloated, oversized output module or a professional mixer. This ends now.

The Herzlich Micro Phone Out is an active headphone output in only 2hp - and it includes a very pleasantly tactile volume slider! Gone are the days where you would have to spend untold hp on useful and clean headphone outputs, now all that remains is beautiful, small simplicity.

No stereo signals to process? No problem. The left channel automatically works as a mono input with nothing plugged into the right channel. Forget everything else - this is the one and only output module you'll need!

Dimensions
2 HP
34 mm deep
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Herzlich PSA Passive Stereo Attenuator Module
Herzlich PSA Passive Stereo Attenuator Module (attenuator/multiple/utility module)
Cat: 958804 Rel: 30 Oct 23
 
Passive stereo attenuator module - 4HP.
Notes: In recent years, stereo signal paths have increasingly found their way into the wonderful world of Eurorack synthesis - so naturally, utilities should follow suit. Introducing the Herzlich PSA, a simple solution to a problem you might not even realize you had. Far from just useful as an attenuator for audio sources in mixdowns, the PSA can also be used to bring audio down to more managable levels (such as line level), attenuate multiple signals simultaneously (like increasing the modulation depth of two LFO's at the same time! It's like having two hands, but with one hand!) and even function as a multiple: Attenuator 1 is normalled to Attenuator 2, so multing your stereo signal (or two mono signals) while attenuating the two signals individually is easy as pie.

There's not much else to say, except that it's passive, and draws no power - and it looks great!

Dimensions
4 HP

Current Draw
Module does not draw current
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 1 in stock $58.63
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Herzlich sAttenuverter Stereo Attenuverter Module
Cat: 1003825 Rel: 06 Mar 24
 
Stereo attenuverter module - 2HP
Notes: Beauty. Refinement. Attenuversion.

It's another Herzlich Labs release: the 2hp stereo Attenuverter. Two channels of connected attenuversion, allowing you to fully and smoothly invert any signals you plug in - turn negative to positive, turn phase to antiphase, and find all the variations in between.

With the usual pleasantly tactile sliding pot, the sAttenuverter is both performance friendly and inspiring to use. Extremely suitable for linked mono signals and stereo alike, it will feel right at home in the increasingly popular stereo setups in modular.

Dimension: 2 HP
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Herzlich sOffset Stereo Offset Generator Module
Herzlich sOffset Stereo Offset Generator Module (dual/stereo/CV modulation module)
Cat: 1003854 Rel: 06 Mar 24
 
Stereo offset generator module - 2HP
Notes: Need an offset voltage? Of course you do, you probably need one all the time, and you can never seem to find one. Well, here's two.

Yes, the Stereo Offset boasts not one but TWO linked offset voltages, and even better, they can be independently set as unipolar or bipolar with jumpers on the back of the module. To further aid your adventure in offsetting, bicolor LEDs will indicate the current state of both outputs.

Smoothly transition between voltages to simultaneously control other functions in your system, either by applying identical voltages to two different places, or by using simultaneous unipolar and bipolar signals for advanced control over your Eurorack system.

Do the right thing - get an offset generator you will love.

Dimensions: 2 HP
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Hungry Robot Mixer Desktop Module
Cat: 780992 Rel: 03 Sep 20
 
Mixer module
Notes: The 4 Channel Mixer is a basic DC coupled mixer with 4 inputs and 4 attenuators. DC coupled means that it will accept both DC and AC (Audio) signals. As with all Hungry Robot "Modular Boxes" the 4 Channel Mixer can be powered with a simple 9V DC, Negative Center power supply.

PATCH POINTS
-IN (x4): Patch in any audio or CV signal to any of the 4 inputs. (NOTE: Avoid mixing CV and Audio)
-OUT: This output is the sum of the four channels

KNOBS
-LEVEL (x4): Each input has its own attenuator that allow you to bring down the level of the inputs

Dimensions: 4.7" x 2.6" x 1.5"
Power: 9V DC - Negative Center - 2.1mm Barrel
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Intellijel Buff Mult Buffered Multiple Module
Intellijel Buff Mult Buffered Multiple Module (multiple/dual/stereo synth module)
Cat: 563563 Rel: 10 Mar 15
 
Buffered multiple synth module, 2HP wide
Notes: Dual 1 x 3 buffered mult (one audio or cv signal in with multiple buffered outputs).

The output of the first mult is normalled to the input of the second mult to create a 1×6 buffered mult
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Intellijel Digiverb 1U Digital Reverb Effect Module (silver)
Cat: 643381 Rel: 27 Mar 17
 
Lo-fi digital reverb effect unit
Notes: Digiverb is a lo-fi reverb effect unit that uses an Accutronic digital reverb "tank" module. The sound is somewhere between a virtual spring reverb and a dense multi tap delay but the effect is quite musical and interesting.

Use the Digiverb as a simple and fun way to add some extra dimensions to your patches!
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Intellijel Dual VCA 1U Stereo Linear Voltage Controlled Amplifier Module
Cat: 747513 Rel: 07 Nov 19
 
Two high quality & precise linear VCA's - 8HP
Notes: The Voltage Controlled Amplifier or "VCA" is one of the most essential and useful building blocks in a synthesis patch. The DUAL VCA 1U packs two high quality, DC coupled, linear VCAs into a very compact 1U package.

The two VCAs can be used completely independently or in tandem via the handy signal normalling. The DC coupling means that the VCA can be used for the amplitude control of both control voltages (CV) and audio signals.

Some application/use examples:

- Dual, independent VCA for dynamic level control of two different audio or cv sources
- Stereo VCA (use the CV normalling where CV A normals to CV B) for processing stereo sources or CV pairs.
- CV/Audio summing (when Out A is not patched, it normals to sum with OUT B, CV A and B control the independent levels)
- Voltage/signal doubling (use input A only and the doubled voltage will appear at OUT B when a CV of +5V applied to CV A)
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 3 in stock $87.71
Intellijel Duatt 1U Dual Attenuator/Inverter/Attenuverter/Multiplier/Mixer/DC Voltage Source Module
Cat: 747516 Rel: 18 Nov 19
 
Compact dual attenuator, inverter, attenuverter, multiplier, mixer & DC voltage source
Notes: Duatt is a dual-channel active/buffered attenuverter and summing mixer. Each channel has a knob, which can function as a unipolar attenuator or a bipolar attenuverter, depending on the setting of its corresponding two-position polarity switch. It's a versatile and super handy utility module that will find its way into almost any patch you make!

Each input is normalled to a built-in +5V DC voltage source. With nothing plugged into the jacks, each knob controls a voltage range of 0 to +5 V or -5 to +5 V depending on the position of the channel polarity switch.

Channel A's output is normalled into the output of channel B for mixing duties, and channel A has a 2x voltage multiplier switch, allowing you to double the voltage sent into Channel A.
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Intellijel Headphones 1U v2 Headphone & Stereo Output Module
Cat: 643382 Rel: 27 Mar 17
 
Headphone & stereo output module
Notes: This is a simple 1U module designed to allow the monitoring of a system using headphones. However, if your cat isn't easily scared, the headphone jack doubles as a TRS stereo line level output. Simply connect the signal that you want to monitor to the 1/8? jacks, plug in your headphones, and adjust the volume as desired.
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 6 in stock $59.56
Intellijel Mixup Chainable Mono & Stereo Audio Utility Mixer Module
Intellijel Mixup Chainable Mono & Stereo Audio Utility Mixer Module (attenuator/mixer/multiple/utility/dual/stereo synth module)
Cat: 673868 Rel: 12 Jan 18
 
Versatile audio mixer module - 6HP
Notes: Mixup is a versatile, expandable audio mixer for Eurorack format. It has eight inputs (6 on the front panel) and two outputs. Inputs 1 and 2 are single-channel mono inputs, each with its own mute switch and level control; Input 3 is a dual-channel stereo input with a shared mute and level control; and input 4 is an auxiliary unity-gain, non-mutable stereo input.

Using bus connectors on the back panel, you can chain multiple Mixups together in series, giving you the ability to mix together even more inputs, or to create sub-mixes for routing around larger systems.

Because Mixup is designed specifically for audio (and not for CV mixing), it uses AC-coupled circuitry (which reduces the potential for 'pops' when muting and unmuting audio), and it uses audio-grade, logarithmic attenuators for a smooth, even response across the entire volume range.
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Intellijel Pedal I/O 1U Effects Pedal Send/Return & High Impedance Instrument Input Module
Cat: 673867 Rel: 12 Jan 18
 
1/4" TS jack interface for the pedal I/O 1U module
Notes: This module connects via 3 pin cable to the Intellijel Pedal I/O 1U module.

It provides the 1/4" TS interface for connecting guitar pedals or instruments.

Dimensions: 8 HP
44 mm deep

Module is a 1U tile.

Current Draw: Module does not draw current
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Intellijel Stereo Line In 1U Stereo Balanced Line Audio Input Module
Cat: 768942 Rel: 13 Mar 20
 
audio input module
Notes: Use the Stereo Line In 1U system to bring external audio into your modular system for processing. The system works with balanced +4 dBu professional audio products and with -10dbV unbalanced gear.

The Stereo Line In 1U system comprises two components:

The Stereo Line In 1U module:
Either a Stereo In Jacks 1U module, or a case with built-in 14" audio jacks, such as Intellijel's Palette or 7U cases (with a 2nd generation Audio Jacks board).

Width: 12HP
Depth: 38mm
Power: 18mA @ +12V
12mA @ -12V
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Intellijel Stereo Line Out 1U Balanced Stereo Line Audio Output Module
Intellijel Stereo Line Out 1U Balanced Stereo Line Audio Output Module (attenuator/dual/stereo/external/utility synth module)
Cat: 739057 Rel: 19 Jul 19
 
Two channel, +4dBu balanced line level outputs
Notes: This module has 1/8" jacks to accept either mono or stereo audio signals from your modular gear.

It features input level indicator LEDs, and contains all the gain control circuitry necessary to drive external audio gear at the proper levels.

A ribbon cable is included for connecting it to either the Stereo Out Jacks 1U module, or a compatible Intellijel case with 1/4" jacks (e.g. 7U x 104HP, 7U x 84HP, or Palette 62).
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Intellijel Stereo Mixer 1U Chainable Mono & Stereo Audio Utility Mixer Module
Cat: 808964 Rel: 22 Jan 21
 
Expander/mixer/utility eurrorack module
Notes: The Stereo Mixer 1U provides a convenient way to combine your mono and stereo sources into a single stereo mix. There is level control over the first two channels and, using a rear connector, you can chain multiple Stereo Mixer 1U's together into a hidden 3rd stereo channel without using up channels on the front panel. The chain i/o connectors are fully compatible with the Mixup connectors so you are able to mix 1U and 3U mix chains together as needed.

The Stereo Mixer 1U is a versatile, expandable audio mixer for the Intellijel 1U format. It has two pairs of front panel inputs, each with its own level control, and a mixed output pair. For each input pair, the left channel is normalled to the right channel, for mono operation.

Using 3-pin Link connectors on the back panel, you can chain multiple Stereo Mix 1U's together in series, giving you the ability to mix together even more inputs, or to create sub-mixes for routing audio around larger systems. You can also these same connectors to patch Intellijel's Mixup and XY IO 1U modules to these back-panel chains, and you can connect them directly to the 14" audio jacks on an Intellijel Palette Case, a 7U case with 2nd-generation Audio Jacks Board, an Outs module, or a v2 Headphones 1U.

Stereo Mix 1U is designed specifically for audio (and not for CV mixing), it's AC-coupled, and uses audio-grade, logarithmic attenuators for a smooth, even response across the entire volume range.

Width: 16HP
Depth: 25mm
Power: 17mA @ +12V
23mA @ -12V

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Jolin Nexum Smart Multi-Cable Tester Module
Cat: 918461 Rel: 06 Jul 23
 
An 8hp smart multi-cable tester.
Notes: NEXUM is a smart multi-cable tester.

Why:

To test the unknown power cable of a fresh module.
To check if all the spaghetti is working before a gig.
To know if your power supply is well-mannered.
To mass produce cables and be sure that all of them are working.

With:

Eurorack 2.54mm cables - 10 pins and 16 pins ones.
Other 2.00mm connection cables - 20 pins headers.
JST 1.27mm cables - 20 pins headers.
Patch cables - 3.5mm TS & stereo - 3.5mm TRS.

How:

Plug a cable in one of the sockets and the other end specularly on the opposite side. Check if the blue LEDs light up steady in a number equal to the cores of the cable you are testing. Wiggle the wire back and forth just to be sure that all the individual cores are firmly connected.

Due to its configuration, the connection is considered true only if there is no continuity between the adjacent wires or discontinuity in that specific core. This smart feature will avoid false positives.

On top there are two LEDs indicators directly wired to the power lines to check if the -12V or +12V PSU power lines are misbehaving.

Dimensions:

8 HP
18 mm deep

Current Draw:

50 mA +12V
5 mA -12V
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Kaona Switchy 3-Channel Switch Module
Kaona Switchy 3-Channel Switch Module (power/switch/utility module)
Cat: 959172 Rel: 07 Nov 23
 
Turn on and off three modules - 6HP.
Notes: Switchy is a module that allows you to turn on or off up to three modules (or busboard) independently of each other.

No need to turn off the whole case: All three voltages (+12V, -12V, 5V) are interrupted at the same time.

Used to reduce the background noise of certain "noisy" digital modules when not in use, to initialize certain modules or change their function, to change an SD card, to relieve the power supply with energy-consuming modules, etc.

Dimensions
6 HP
30 mm deep

Current Draw
20 mA +12V
20 mA -12V
20 mA 5V
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Laine Tilt 1U Wide Tone Adjustment Module With One Control (black)
Cat: 1007999 Rel: 26 Mar 24
 
Wide tone adjustment 1U module with one control - 8HP
Notes: Tilt is the first in Laine's series of core modules, which will take cues from the main product line and strip back the features so both the module width and cost can be shrunk dramatically.

Comprising an 'Ambler' style tilt EQ network similar to the 'Stilts' topology, Tilt allows simultaneous cut and boost of low and high frequencies using a single control.

Tilt control circuits are known for the transparency of their cut and boost curves, coupled with the inherent emphasis gained from cutting one end of the frequency spectrum whilst boosting at the opposite end.

It sounds pretty good on all audio source material but is especially suited to tracking drums, guitar and lead, or manipulating effects sends and returns.

With the control knob at 12o'clock the sound passed is neutral. Turning the control knob clockwise will boost high and cut low frequencies pivoting from a fixed mid-range point. Turning the control anti-clockwise below 12 o clock will in turn boost low frequencies and cut the highs.

In addition to the EQ there is a soft clipping network which will begin to saturate signals over 15 volts peak to peak.

Tilt uses the same high quality OPA op amps, Alpha pots and ENIG PCBs as found in our main product line.

Features

Compact EQ tilt control in 1U
Soft clipping network
High-quality components used throughout

Specifications

Intellijel 1U format
Width 8HP
Depth 28mm
Power requirements ~10mA +12V/~10mA -12V
Impedance Input 100k / Output 1k
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Meng Qi DPLPG Dual Passive Low Pass Gate Module
Meng Qi DPLPG Dual Passive Low Pass Gate Module (dual/stereo/filter/low pass gate/VCA synth module)
Cat: 680755 Rel: 22 May 18
 
Dual vactrol based LPG/VCA module - 2HP
Notes: The Meng Qi DPLPG is a Dual Passive 1-pole vactrol based Low Pass Gate/VCA in modest 2 HP. No power is required as the design is completely passive.

Handpicked components ensure that the modules will be musical.

Feed it a trigger and enjoy the natural smooth decay of a vactrol.
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Michigan Synth Works BLN Audio Level Converter Module (black)
Cat: 802359 Rel: 07 Jan 21
 
Audio level converter module
Notes: BLN is a 4 channel audio level converter designed to interface line or "pro" audio levels to modular audio levels. It features 2 independent converters with 2 channels each.

Converter 1: Line level/Balanced to Modular Level

The inputs for the top converter are for converting -10dB or +4dB signal levels (balanced or unbalanced) to +/-5V modular levels. Each channel can be set individually for +4 or -10 using channel 1 and 2 of the DIP switched

Converter 2: Modular level to Balanced Lined

The inputs for the bottom to converters accept a +/-5V modular audio level and converts them to a BALANCED +4 dB or -10 dB audio level. Each channel can be set individually for +4 or -10 using channel 3 and 4 of the DIP switched.

For balanced signals, simply use a 3.5mm TRS to 1/4" TRS Cable or 3.5mm TRS to 3.5mm TRS cable with a 1/4" TRS adapter. Unbalanced signals should use a 3.5mm TS cable

2HP Width, 32mm Depth

Current Draw: 12/14 mA +12/-12

Please note: This devices uses a polarized power cable, please make sure the red stripe corresponds to the white stripe on the board
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